Great Dane age in human years.
The "Apollo of dogs," Great Danes are friendly gentle giants who are patient and dependable with children.
Starting size: giant. Typical lifespan: 7–10 years.
We’ve selected a starting size for this breed. Adjust it to match your dog.
| Dog age | Human-age estimate |
|---|---|
| 1 year | 15 |
| 2 years | 24 |
| 3 years | 31 |
| 5 years | 45 |
| 7 years | 56 |
| 10 years | 79 |
| 12 years | 93 |
Common questions
How old is a 1-year-old Great Dane in human years?
Our giant-dog table estimates about 15 human years at age 1. This is a size-based comparison, rather than a breed-specific biological-age measurement. Health, genetics, and lifestyle affect individual dogs.
How old is a 5-year-old Great Dane in human years?
Our giant-dog table estimates about 45 human years at age 5. This is a size-based comparison, rather than a breed-specific biological-age measurement. Health, genetics, and lifestyle affect individual dogs.
How old is a 7-year-old Great Dane in human years?
Our giant-dog table estimates about 56 human years at age 7. This is a size-based comparison, rather than a breed-specific biological-age measurement. Health, genetics, and lifestyle affect individual dogs.
How old is a 10-year-old Great Dane in human years?
Our giant-dog table estimates about 79 human years at age 10. This is a size-based comparison, rather than a breed-specific biological-age measurement. Health, genetics, and lifestyle affect individual dogs.